What is the acceptable BS levels for Fasting and Post Meals?

Hi there,
I would like to answer your question, but it will be rather lengthy in order to be comprehensive, I know it is difficult to pin down if you go to the American Diabetes Association's website, so I am taking this from my own blog site where I compile the values as carefully as I could, here they are as an exerpt from my blog: (You can find the full story at  http://DiabetesInformationExchange.com, you will see it at the top below the News item on Avandia:)

The range of normal levels for blood glucose
In checking many sources, I found that that there is a variation in the values considered by some as normal.  But in the main I can summarize the results, including those published by the American and Canadian Diabetes Associations as follows, and where fasting is usually meant as an overnight 8-hour period without food or liquids other than water.

Fasting blood sugar levels measured after about 8 hours without food or drink other than water should be less than 108 mg/dL (6.0 mmol/L) but no lower than 72 mg/dL (4.0 mmol/L).

Two-hours after a meal blood sugar levels should be 90 to 144 mg/dL (5.0 to 8.0 mmol/L)

Within 3 hours after a meal they should be back to normal levels

Except for a two-hour period after a meal my own healthcare providers informs me that the blood sugar levels should be less than 108 mg/dL (6.0 mmol/L) and they should always be above 72 mg/dl (4.0 mmol/L). If you are a diabetic that will probably not be the case.

According to the American Diabetes Association, for a random test taken during the day they should be less than 140 mg/dL (7.8 mmol/L). That sound high to me, but I found that in an ADA reference on normal blood sugars.

A1c – the 12 week period test
For a test that indicates the levels over a 12 week period, called the A1c, or Glycosylated hemoglobin test, the normal level is less than 6%. What that means is that less than 6% of the hemoglobin fraction in your blood has glucose attached to it. The hemoglobin content of blood, including water, is about 35% and it is hemoglobin that carries oxygen from the lungs to the rest of the body for use by the body's cells.

For most diabetics: typical target according to the Canadian Diabetes association (CDA):
Fasting levels before meals target is 72 to 126 mg/dL (4.0 to 7.0 mmol.L)
Two hours after eating target is 90 to 180 mg/dL (5.0 to 10.0 mmol/L)
A1c level target is 126 mg/dL (7.0 mmol/L)

Article continues with comment on Units of Measure,  Making Blood Tests, etc.

I hope that helps, please let me know with any comments you may have, thanks,  Jim R.